144787220323245 has 24 divisors (see below), whose sum is σ = 250964974517400. Its totient is φ = 77219709518976.

The previous prime is 144787220323237. The next prime is 144787220323289. The reversal of 144787220323245 is 542323022787441.

144787220323245 is a `hidden beast` number, since 1 + 4 + 4 + 7 + 8 + 72 + 2 + 0 + 323 + 245 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25653029673924 + 119134190649321 = 5064882^2 + 10914861^2 .

It is not a de Polignac number, because 144787220323245 - 2³ = 144787220323237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144787220323191 and 144787220323200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24788491 + ... + 30067319.

It is an arithmetic number, because the mean of its divisors is an integer number (10456873938225).

Almost surely, 2^{144787220323245} is an apocalyptic number.

144787220323245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144787220323245 is a deficient number, since it is larger than the sum of its proper divisors (106177754194155).

144787220323245 is a wasteful number, since it uses less digits than its factorization.

144787220323245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888349 (or 5888346 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 54.

The spelling of 144787220323245 in words is "one hundred forty-four trillion, seven hundred eighty-seven billion, two hundred twenty million, three hundred twenty-three thousand, two hundred forty-five".